fix: use snappyjs v0.6.0 or higher

see zhipeng-jia/snappyjs@d92bf88

Author: KlausTrainer

package.json

@@ -10,7 +10,7 @@
     "length-prefixed-stream": "^1.5.1",
     "msgpack-lite": "^0.1.26",
     "pumpify": "^1.3.5",
-    "snappyjs": "^0.5.0",
+    "snappyjs": "^0.6.0",
     "through2": "^2.0.3"
   },
   "keywords": [